1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54aa84c180b4eb0d239815f4cc37205c003b36572afcd967ff0d484051f8281b. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f55dd372-f63f-4d79-9bb3-1897ba8d7d0b.json and https://artists.proofprofile.net/proofs/artist/f55dd372-f63f-4d79-9bb3-1897ba8d7d0b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4676691bd6d5e2c7b9ece770eebc6652ebb6582a25907063450cd59af4f0a55a. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:28:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270300361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8eb8794888f0ecfe7bd5301d685d4fc696922cee34e6c4b6e1b0d9851bb4b91. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270300373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fb30a531754a3ae1f271591ec234ee07ef87dd14b6433a17c75690fb0ad89fa. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270300374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6875cae81fba2eef9194105c2ed53dd95fe37f0063a0a20a0d05c7cce641df1d. Chain 2 (Bitcoin): anchored in block 958706 (2026-07-19T08:50:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270300376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96f8a5f466c398aff21b1ff2e9872344343142ed20673eeaac3cc96625e762d1. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:00:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270300377.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb60a9e209ef45ef9c5cfcab4e27bd9f042788272d072454ec7538ab20ee341a3. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270300380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73022568f2cc00980309f47692d03781a50bf9ac87581bbba77a0fb5604bf4af. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:40:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270400328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fe4c4730ad9e6467630b5dc3b781757a809ff2e0f9337c3c28a34545a479bc2. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270400330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc85706180dc4eb57a6910cc9866d1b4d1233e6b693ed5fefa0d2a84195c769c3. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270510514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x174997621011b3c8340b3662c15bc7efb912910a822a3386fd9a0bc300120d17. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270601072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb894904505010809efcc8c2ce5dfba2165a03bc0b4937d0b731efe823202fe7. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270601073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34e577c2e3ea560ff43a939873dc6d50fe635f2423bfa068dc800ac6cbc18a64. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270601075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x163243f7ae768d510d3d37996c78a944262b54698dbb3ffb554b8ccba4b95a4c. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:24:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270601077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5672dcbf5066bf84e8cdfec8e7d3385ff5cd513653ab78f3003d209ae0125f4. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270601079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84cc681efd11c3f8b64efee5902a83f69b9e0295d4cc3ace17cc96a50359db8b. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:15:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLFQ20800001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdc39368bbe71037401b921050fd7c50df50691bc2d3d4ed49496b3180954e73. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T21:42:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLFQ20800003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55599398649645b7539feaf61af3cc9eb7c60bd67b5b1217f9af8eec8e52d686. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLFQ20800004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5703344592f8b3b0c06268fb2d844928ba37fa95ce4c937aa53558131ae8487e. Chain 2 (Bitcoin): anchored in block 958691 (2026-07-19T07:19:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLFQ20800005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf9b0260889e71c7664bd4df33e260be74feed69e60fd0c43dae4c0a1d931224. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLFQ20800006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86a12a13ec110bde3b9caff65b6c930fdc2775ddc5ba72a62ceedf456a968b8c. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T23:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLFQ20800007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c38ee409740969cefb2164f69c884929d43cedc48e9f75ae878d1a2392d0b51. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLFQ20800009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc241ed7fa5bb4374d4ef52a5b76653e7612c69bbf649c7dc49dc9e78f32d7f77. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLFQ20800010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43aeeeaef19dd4d45c64b34b0b73dbfd7a02cf4d67f884ad4cbd922ce2b6f5bf. Chain 2 (Bitcoin): anchored in block 956396 (2026-07-02T21:01:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLFQ20800011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4fba2746c8a036d60d978fb0de8c851eede1f61d31b29a4c322cad8e8c64bc2. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLLP61000028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x336321587b66b15f637390bd0d423c7725d149e573038454a2aec9d0185b8664. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:12:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLLP61000030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51383368fbfa956137ed40629379286a9738ab60768d902df18160ee3264e8e2. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLLP61000032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb12587c37e9792ca430b5ad2ccd1244bf7f99264ac8c513ecc593e1c4514f03b. Chain 2 (Bitcoin): anchored in block 958673 (2026-07-19T05:38:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLLP61000033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b4212c793a18c181793d5e62ce886f6daeb03b853dbf15440811c0499784d2b. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLLP61000039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91a105552afdda5be66098ec3a352b57af81f622337d3788a693f3f454c64dbc. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLLP61400200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecfaa7bb2690b8a1d036dc2d5154146adccc47a356502fe35040290ee6de52a1. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T08:10:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLLP61400201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd9ab02f94d6fc2aebb86a88395d0f533ec1a073b2eb828eb8e6b889a416d54e. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLLP61400203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ef51e36d03fe699ae7288cc44d3bfd6de3db8deb9d740595f964f6db917696f. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLLP61400205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x964966027cedd7db77885a79007d526fefa98eef32990716fc8f791b9e2f0224. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLLP61000038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f0ccd154106b31c595e65b2c78ed35fd3e814be5c278dfd89e3fbfffe612fa7. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLLP61300060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44a72e4505dbae3b6ee829ad219ca40a92efe506b48cab0a115d3d897c81c874. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA270601074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4178791cc38e799ed22d88444864d8a2d5e9cc680f94d7330b40d10ff48a57eb. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK072000136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59baf9934c5b377367b08ee8d6033d28995a5a84dfbba1d37b251d01fa9202f9. Chain 2 (Bitcoin): anchored in block 957634 (2026-07-12T00:26:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK072100093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3abd66760939e3b778a97e17d6aacb68e0de7288967f725f87ba3f62663b027. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK072100095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b045b172376100b1038ed93c37cd07d32a6d5f0ae4b8c9f0ca94e6563524013. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK072200301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd074af0dbfc8ac319b568eaf95d495d21aacbb5b35ee3186e6006c88d4a83196. Chain 2 (Bitcoin): anchored in block 957638 (2026-07-12T01:56:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK072100097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce1a397a50013f3d0bb6f80b49433ae4d394ea9ca959c616e7772110160edf0a. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T07:05:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK072100098.
Ik Wou Dat Ik Jou Was (feat. Veldhuis & Kemper)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb36508cc48a97e3b82d90c1f108350c6d16f931763ea86228ea793854707b0ae. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLV6L2000122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x340a8b08e112aefe50d9801b6f83e3bae760b9c9582ffb26f65a75286aef70c5. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD431500045.